Home / 6,157.12-8,502.88-5,152.32

Finding the Fourth Proportional to 6,157.12, 8,502.88 and 5,152.32

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Solution

The fourth proportional to 6,157.12, 8,502.88 and 5,152.32 is: 7,115.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    6,157.12 : 8,502.88 = 5,152.32 : x
  2. Step 2: Convert to fraction form
    6,157.12/8,502.88 = 5,152.32/x
  3. Step 3: Cross multiply
    6,157.12x = 8,502.88 × 5,152.32
  4. Step 4: Simplify right side
    6,157.12x = 43,809,558.68
  5. Step 5: Solve for x
    x = 43,809,558.68/6,157.12
  6. Step 6: Final answer
    x = 7,115.27

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.